<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  </head>
  <body>
    <style>
      input[type='checkbox']#info + div {
        display: none;
        border: solid 1px #ddd;
        padding: 10px;
      }
      input[type='checkbox']#info:checked + div {
        display: block;
      }
    </style>
    <div>
      <label for="info">向军老师</label>
    </div>
    <input type="checkbox" id="info" hidden />
    <div>menus</div>
  </body>
</html>
